{
  "checker": {
    "claims": [
      {
        "claim": "Ruler applies centralised .ruler rules to a supported agent's config file (Claude Code)",
        "command": "/tmp/rulerprefix/bin/ruler apply --project-root /tmp/ruler-demo --agents claude",
        "evidence": "Applying rules for Claude Code...\n[ruler] Updated .gitignore with 2 unique path(s) in the Ruler block.\nRuler apply completed successfully.\n",
        "expected": "output reports applying rules for Claude Code",
        "input": "ruler apply --agents claude on a project with .ruler/ rules",
        "kind": "claim",
        "outcome": "Real input produced the expected result: Applying rules for Claude Code",
        "returncode": 0,
        "source": "- **Automatic Distribution**: Ruler applies these rules to configuration files of supported AI agents",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      },
      {
        "claim": "Rules are stored centrally in a .ruler/ directory as Markdown files",
        "command": "/tmp/rulerprefix/bin/ruler apply --project-root /tmp/ruler-demo --agents claude",
        "evidence": "Ruler apply completed successfully.\n",
        "expected": "generated CLAUDE.md is produced from .ruler contents (apply completes successfully)",
        "input": "ruler apply --agents claude against .ruler/testing.md containing a marker phrase",
        "kind": "claim",
        "outcome": "Real input produced the expected result: Ruler apply completed successfully.",
        "returncode": 0,
        "source": "**Centralised Rule Management**: Store all AI instructions in a dedicated `.ruler/` directory using Markdown files",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "Inspected package.json bin (dist/cli/index.js), README usage/commands, and src for setInterval, cron, --watch, webhook or scheduling code: none found. ruler is a one-shot CLI (init/apply/revert); it runs once per invocation and does not loop or schedule itself.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "Inspected package.json bin (dist/cli/index.js), README usage/commands, and src for setInterval, cron, --watch, webhook or scheduling code: none found. ruler is a one-shot CLI (init/apply/revert); it runs once per invocation and does not loop or schedule itself.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "argv": [
        "/tmp/rulerprefix/bin/ruler",
        "apply",
        "--project-root",
        "/tmp/ruler-demo",
        "--agents",
        "claude"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": "[ruler] Applying rules for Claude Code...\n[ruler] Updated .gitignore with 2 unique path(s) in the Ruler block.\nRuler apply completed successfully.",
      "working": true
    },
    "evidence_strength": "readme_checked",
    "example_checks": [
      {
        "claim": "--dry-run previews apply changes without writing files",
        "command": "/tmp/rulerprefix/bin/ruler apply --project-root /tmp/ruler-demo --agents claude --dry-run",
        "deferred": false,
        "evidence": "[ruler:dry-run] Applying rules for Claude Code...\n[ruler:dry-run] Would update .gitignore with 2 unique path(s): /tmp/ruler-demo/CLAUDE.md, /tmp/ruler-demo/CLAUDE.md.bak\nRuler apply completed successfully.",
        "expected": "prints a dry-run line for Claude Code",
        "input": "ruler apply --dry-run --agents claude on /tmp/ruler-demo",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md Options table (--dry-run: Preview changes without writing files.)",
        "verdict": "yes"
      }
    ],
    "status": "PASS"
  },
  "deviations": [
    "Node/npm were not installed in the guest. Installed Node 22.23.4 from the official nodejs.org linux-x64 tarball into /tmp/node (user-local, SHA256 verified against SHASUMS256.txt). No apt/system install was used.",
    "npm install -g used a user prefix (/tmp/rulerprefix) with the local build instead of a system-wide global install.",
    "The first `ruler init` attempt failed with `/usr/bin/env: node: No such file or directory` because the installed bin shebang needs node on PATH; fixed by putting /tmp/node/bin on PATH (probe/claims set env PATH accordingly).",
    "Node installer telemetry/consent prompts: none exist in this README or source (grep for telemetry/consent/analytics found nothing)."
  ],
  "fault_owner": null,
  "main_blocker": null,
  "operation": "Install ruler from the pinned source and run `ruler apply` to distribute .ruler rules into a Claude Code config (CLAUDE.md), plus `--dry-run`.",
  "operation_scope": "Linux Ubuntu 24.04 guest, Node 22.23.4 (README requires ^20.19.0 || ^22.12.0 || >=23), npm 10.9.9, Python 3.12.3 (not needed by the product; used only for JSON checks). Local CLI only; no browser, no credentials, no network services started. Test project at /tmp/ruler-demo (outside the checkout).",
  "outcome": "working",
  "plain_failure": null,
  "steps": [
    "git init; git remote add origin https://github.com/intellectronica/ruler; git fetch --depth 1 origin 3c0520f36234ba646c0d612bd363d010b2beab20; git reset --mixed FETCH_HEAD",
    "npm ci (README Development section: npm install)",
    "npm run build",
    "npm install -g --prefix /tmp/rulerprefix .  (local build, bin: ruler)",
    "npm test  -> 163 suites, 1337 tests passed (setup only)",
    "ruler init (in /tmp/ruler-demo)",
    "ruler apply --project-root /tmp/ruler-demo --agents claude",
    "ruler apply --dry-run --agents claude",
    "ruler revert --agents claude (check only; generated CLAUDE.md removed)"
  ],
  "stuck_step": null,
  "suggested_fix": null
}